Home / 40,695.81-61,035.47-11,111.16

Finding the Fourth Proportional to 40,695.81, 61,035.47 and 11,111.16

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Solution

The fourth proportional to 40,695.81, 61,035.47 and 11,111.16 is: 16,664.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.81 : 61,035.47 = 11,111.16 : x
  2. Step 2: Convert to fraction form
    40,695.81/61,035.47 = 11,111.16/x
  3. Step 3: Cross multiply
    40,695.81x = 61,035.47 × 11,111.16
  4. Step 4: Simplify right side
    40,695.81x = 678,174,872.85
  5. Step 5: Solve for x
    x = 678,174,872.85/40,695.81
  6. Step 6: Final answer
    x = 16,664.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.